In this post we will see how can we see the preview of our html code without running the file.
Sometimes you may want to see online preview of your HTML code.
So that you can evaluate your HTML code for correctness and take corrective action if needed.
In this tutorial we use basic tags of html5 , bootstrap and also used some Javascript functions.
Preview of html code without running the html file.
How to Send Mail Using Php Mailer.
In this post we will see that how we can send mail using Phpmailer. Before Start Tutorial we should know about what is Phpmailer , benefits of Phpmailer than we learn how to implement code for Php mailer.
what is Phpmailer
PHP Mailer is a code library to send emails safely and easily via PHP code from a web server.
phpmailer is a collection of classes which allows user to send mail via smtp seetings.
A user can easily configure php mailer according to his/her needs.
Benefits of Phpmailer over mail() function
php provides us mail() function allows us to send mails to user but it has certain limitations, mail() function send mail but it has very slow response ,mail() function does not assure the sending of mail.
swap two numbers without using a temporary variable …
C Program to swap two numbers without using third variable with programming examples for beginners and professionals covering concepts, control statements, c array, c pointers, c structures, c union, c strings and more.
swap.c
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf("\n enter the value of a and b :");
scanf("%d %d",&a,&b);
a=a+b;
b=a-b;
a=a-b;
printf("swapping of a=%d",a);
printf("swapping of b=%d",b);
getch();
}
How to hide extension of html and php file.?
welcome back to shortlearner.com , In this tutorial we will see how to hide extension of files using .htaccess
before start learning first of all we should know about .htaccess file
what is .htaccess
in a simple words we can say that the .htaccess is a configuration file for use on web servers running the
Apache Web Server software. When a .htaccess file is placed in a directory
which is in turn ‘loaded via the Apache Web Server’,
then the .htaccess file is detected and executed by the Apache Web Server software.
Also Read :
PHP Login Script With Remember me.
Change password using javascript, php and mysqli.
Password and Confirm Password Validation Using JavaScript
Check Email is Already Registered in Database using Ajax and JavaScript.
How to hide extension of html and php file.?
Benefits of using .htaccess
- Redirect the user to different page
- Password protect a specific directory
- Block users by IP
- Preventing hot linking of your images
- Rewrite URIs
- Specify your own Error Documents
In this tutorial we make 3 php pages and hide there extensions using .htaccess file.
index.php
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Remove .php extension with .htaccess by http://mainvps.shortlearner.com/</title>
</head>
<body>
<center>
<div id="menu">
<ul>
<li><a href="index">home</a></li>
<li><a href="login">login</a></li>
<li><a href="signup">signup</a></li>
</ul>
</div>
<div id="body">
<h1>This is index.php page | see the url in addressbar</h1> <br />
</div>
</center>
</body>
</html>
Signup.php
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Remove .php extension with .htaccess by http://mainvps.shortlearner.com/</title>
</head>
<body>
<center>
<div id="menu">
<ul>
<li><a href="index">home</a></li>
<li><a href="login">login</a></li>
<li><a href="signup">signup</a></li>
</ul>
</div>
<div id="body">
<h1>This is signup.php page | see the url in addressbar</h1>
</div>
</center>
</body>
</html>
Login.php
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>Remove .php extension with .htaccess by http://mainvps.shortlearner.com/</title>
<link rel="stylesheet" href="style.css" type="text/css" />
</head>
<body>
<center>
<div id="menu">
<ul>
<li><a href="index">home</a></li>
<li><a href="login">login</a></li>
<li><a href="signup">signup</a></li>
</ul>
</div>
<div id="body">
<h1>This is login.php page | see the url in addressbar</h1><br />
</div>
</center>
</body>
</html>
Save below code with .htaccess
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.php -f
RewriteRule ^(.*)$ $1.php
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME}.html -f
RewriteRule ^(.*)$ $1.html
</IfModule>
Add Google reCAPTCHA On Registration form
In this post we will see how to add google reCaptcha in signup form.
Google has released the new reCAPTCHA. Using reCAPTCHA users can prove they are human without solving a CAPTCHA. They need just a single click to confirm they are not a robot. So, reCAPTCHA will protect your website from spam with better user experience. You can easily integrate Google reCAPTCHA in PHP script.
Now We have create a signup/ registration form with the new Google reCAPTCHA using PHP.The reCAPTCHA integration process is given below.
First of all we need reCAPTCHA API keys:
For adding reCAPTCHA to your website, you need to register your site and get reCAPTCHA API keys.
Register your site
Also Read :
PHP Login Script With Remember me.
Change password using javascript, php and mysqli.
Password and Confirm Password Validation Using JavaScript
Check Email is Already Registered in Database using Ajax and JavaScript.
How to hide extension of html and php file.?
Register your site at Google just click on the below link – https://www.google.com/recaptcha/admin
after click on above link here you got 2 keys.
first is site key which is used for showing captecha on client site
and another is secret key which is used to check the captecha on server end.
Connection.php
in this page we make our database connection.
<?php
$con= mysqli_connect("localhost","root","password","db_name")
?>
index.php
In the index.php we make a signup form.
<!DOCTYPE html>
<html>
<head>
<title>Google Captcha Integration </title>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<form class="form-horizontal" method="post" action="signup.php">
<!-- Text input-->
<div class="form-group">
<div class="col-md-6">
<label class="col-md-4 control-label" for="textinput">Name</label>
<input id="textinput" name="name" type="text" placeholder="Enter your Name Here" class="form-control input-md">
</div>
<div class="col-md-6">
<label class="col-md-4 control-label" for="textinput">Email</label>
<input id="textinput" name="email" type="text" placeholder="email" class="form-control input-md">
</div>
<div class="col-md-6">
<label class="col-md-4 control-label" for="textinput">Country</label>
<input id="textinput" name="country" type="text" placeholder="Enter your country here..!!" class="form-control input-md">
</div>
<div class="col-md-6">
<label class="col-md-4 control-label" for="textinput">Mobile</label>
<input id="textinput" name="mobile" type="text" placeholder="+9123465686522" class="form-control input-md">
</div>
<div class="col-md-12" style="margin-top: 20px;">
</div>
</div>
<br>
<div class="g-recaptcha" data-sitekey="enter you secret key here.."></div>
<!-- Button -->
<div class="form-group">
<label class="col-md-4 control-label" for=""></label>
<div class="col-md-4">
<input type="submit" name="sub" class="btn btn-primary btn-lg" style="width: 250px; background-color:#1a7dc6;">
</div>
</div>
</form>
</body>
<script src="https://www.google.com/recaptcha/api.js" async defer></script>
</html>
signup.php
<?php
if(isset($_POST["sub"]))
{
$email;$comment;$captcha;
if(isset($_POST['email'])){
$email=$_POST['email'];
}
if(isset($_POST['g-recaptcha-response'])){
$captcha=$_POST['g-recaptcha-response'];
}
if(!$captcha){
echo '<h2>Please check the the captcha form.</h2>';
exit;
}
$secretKey = " enter your secret key here..";
$ip = $_SERVER['REMOTE_ADDR'];
$response=file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=".$secretKey."&response=".$captcha."&remoteip=".$ip);
$responseKeys = json_decode($response,true);
if(intval($responseKeys["success"]) !== 1) {
echo '<h2>123</h2>';
} else {
echo '<h2>.</h2>';
}
/* Attempt MySQL server connection. Assuming you are running MySQL
server with default setting (user 'root' with no password) */
require("connection.php");
// Check connection
if($con === false){
die("ERROR: Could not connect. " . mysqli_connect_error());
}
// Escape user inputs for security
$name = mysqli_real_escape_string($con, $_REQUEST['name']);
$email = mysqli_real_escape_string($con, $_REQUEST['email']);
$country = mysqli_real_escape_string($con, $_REQUEST['country']);
$mobile = mysqli_real_escape_string($con, $_REQUEST['mobile']);
// attempt insert query execution
$sql = "INSERT INTO subscriber (name,email,country,mobile) VALUES ('$name', '$email','$country','$mobile')";
if(mysqli_query($con, $sql)){
echo "Records added successfully.";
} else{
echo "ERROR: Could not able to execute $sql. " . mysqli_error($con);
}
// close connection
mysqli_close($con);
}
?>
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